arduino › microcontroller board
adafruit Adafruit QT Py ESP32-S3
QT Py footprint with WiFi+BLE+vector DSP. The PSRAM 8 MB variant is the right pick for camera/voice ML; the no-PSRAM SKU is cheaper but limits TensorFlow models to ~200 KB.
Specifications
- mcu chip
- esp32_s3
- clock mhz
- 240
- flash kb
- 8192
- sram kb
- 512
- wifi
- yes
- wifi band
- 2_4ghz
- bluetooth
- ble
- usb
- type_c
- gpio count
- 13
- analog inputs
- 8
- pwm pins
- 13
- i2c
- yes
- spi
- yes
- uart count
- 1
- operating voltage v
- 3.3
- input voltage range v
- 5
- power pins
- 3v3, 5v
- firmware compat
- arduino_ide, esp_idf, circuitpython, platformio
- ai accelerator
- none
- form factor
- qt_py
Sources
- Adafruit open product catalog · ingest 2026-05-06